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Finding the Fourth Proportional to 786,957, 1,180,446.03 and 247,195.68

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Solution

The fourth proportional to 786,957, 1,180,446.03 and 247,195.68 is: 370,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,957 : 1,180,446.03 = 247,195.68 : x
  2. Step 2: Convert to fraction form
    786,957/1,180,446.03 = 247,195.68/x
  3. Step 3: Cross multiply
    786,957x = 1,180,446.03 × 247,195.68
  4. Step 4: Simplify right side
    786,957x = 291,801,159,089.15
  5. Step 5: Solve for x
    x = 291,801,159,089.15/786,957
  6. Step 6: Final answer
    x = 370,796.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.